31013222301101 has 4 divisors (see below), whose sum is σ = 31013234802912. Its totient is φ = 31013209799292.

The previous prime is 31013222301079. The next prime is 31013222301163. The reversal of 31013222301101 is 10110322231013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31013222301101 - 2²² = 31013218106797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013222381101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133225 + ... + 7956798.

It is an arithmetic number, because the mean of its divisors is an integer number (7753308700728).

Almost surely, 2^{31013222301101} is an apocalyptic number.

It is an amenable number.

31013222301101 is a deficient number, since it is larger than the sum of its proper divisors (12501811).

31013222301101 is an equidigital number, since it uses as much as digits as its factorization.

31013222301101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501810.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31013222301101 its reverse (10110322231013), we get a palindrome (41123544532114).

The spelling of 31013222301101 in words is "thirty-one trillion, thirteen billion, two hundred twenty-two million, three hundred one thousand, one hundred one".